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PHP function that counts directory file size

巴扎黑
Release: 2016-11-22 11:40:48
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<? 
/**
  统计目录文件大小的函数
  @author xfcode
  @link http://www.jbxue.com
*/
 function dirsize($dir)
 {
   @$dh = opendir($dir);
   $size = 0;
   while ($file = @readdir($dh))
  {
    if ($file != "." and $file != "..")
   {
     $path = $dir."/".$file;
      if (is_dir($path))
     {
       $size += dirsize($path);
      }
     elseif (is_file($path))
     {
       $size += filesize($path);
      }
    }
   }
  @closedir($dh);
  return $size;
 }
//function end 
//eg:
 $dir_path = "./my_files";
 $dir_size = dirsize($dir_path);
 $dir_size = $dir_size/1024/1024;
 echo $dir_size."MB";
 ?>
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